; ------------------------------------------------------------
;
;   PureBasic - Camera
;
;    (c) Fantaisie Software
;
; ------------------------------------------------------------
;

#CameraSpeed = 1

Define.f KeyX, KeyY, MouseX, MouseY

InitEngine3D()

InitSprite()
InitKeyboard()
InitMouse()

ExamineDesktops():dx=DesktopWidth(0)*0.8:dy=DesktopHeight(0)*0.8
OpenWindow(0, 0,0, DesktopUnscaledX(dx),DesktopUnscaledY(dy), "Camera - [Esc] quit",#PB_Window_ScreenCentered)
OpenWindowedScreen(WindowID(0), 0, 0, dx, dy, 0, 0, 0)

Add3DArchive(#PB_Compiler_Home + "examples/3d/Data/Textures", #PB_3DArchive_FileSystem)
Add3DArchive(#PB_Compiler_Home + "examples/3d/Data/Models", #PB_3DArchive_FileSystem)


AmbientColor(RGB(0, 200, 0))  ; Green 'HUD' like color

CreateMaterial(0, LoadTexture(0, "r2skin.jpg"))
CreateEntity(0, LoadMesh(0, "robot.mesh"), MaterialID(0))
StartEntityAnimation(0, "Walk")

CreateCamera(0, 0, 0, 100, 50)  ; Front camera
MoveCamera(0, 0, 20, 250, #PB_Absolute)
CameraBackColor(0, RGB(55, 0, 0))

CreateCamera(1, 0, 50, 100, 50) ; Back camera
MoveCamera(1, 0, 20, -250, #PB_Absolute)
CameraBackColor(1, RGB(25, 25, 25))
RotateCamera(1, 180, 0, 0)

CameraRenderMode(1, #PB_Camera_Wireframe)  ; Wireframe for this camera

Repeat
  While WindowEvent():Wend   
  
  If ExamineMouse()
    MouseX = -MouseDeltaX() * #CameraSpeed * 0.05
    MouseY = -MouseDeltaY() * #CameraSpeed * 0.05
  EndIf
  
  If ExamineKeyboard()   
    KeyX = (KeyboardPushed(#PB_Key_Right)-KeyboardPushed(#PB_Key_Left))*#CameraSpeed
    Keyy = (KeyboardPushed(#PB_Key_Down)-KeyboardPushed(#PB_Key_Up))*#CameraSpeed
  EndIf
    
  RotateEntity(0, 0, 0.1, 0, #PB_Relative)
  
  RotateCamera(0, MouseY, MouseX, 0, #PB_Relative)
  MoveCamera  (0, KeyX, 0, KeyY)
  
  RotateCamera(1, -MouseY, -MouseX, 0, #PB_Relative)
  MoveCamera  (1, KeyX, 0, KeyY)
  
  RenderWorld()
  FlipBuffers()
Until KeyboardPushed(#PB_Key_Escape) Or Quit = 1